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Finding the Fourth Proportional to 2,737.64, 4,106.12 and 888.72

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Solution

The fourth proportional to 2,737.64, 4,106.12 and 888.72 is: 1,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.64 : 4,106.12 = 888.72 : x
  2. Step 2: Convert to fraction form
    2,737.64/4,106.12 = 888.72/x
  3. Step 3: Cross multiply
    2,737.64x = 4,106.12 × 888.72
  4. Step 4: Simplify right side
    2,737.64x = 3,649,190.97
  5. Step 5: Solve for x
    x = 3,649,190.97/2,737.64
  6. Step 6: Final answer
    x = 1,332.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.